GB1419439A - Preparation of alumina - Google Patents

Preparation of alumina

Info

Publication number
GB1419439A
GB1419439A GB4511673A GB4511673A GB1419439A GB 1419439 A GB1419439 A GB 1419439A GB 4511673 A GB4511673 A GB 4511673A GB 4511673 A GB4511673 A GB 4511673A GB 1419439 A GB1419439 A GB 1419439A
Authority
GB
United Kingdom
Prior art keywords
aluminium
alum
aluminium oxide
alumina
oxide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4511673A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BK Giulini Chemie GmbH
Original Assignee
Giulini Gebrueder GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE19722215594 priority Critical patent/DE2215594C3/de
Priority claimed from DE19722215594 external-priority patent/DE2215594C3/de
Application filed by Giulini Gebrueder GmbH filed Critical Giulini Gebrueder GmbH
Priority to GB4511673A priority patent/GB1419439A/en
Priority to FR7334709A priority patent/FR2245575B1/fr
Publication of GB1419439A publication Critical patent/GB1419439A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/32—Thermal decomposition of sulfates including complex sulfates, e.g. alums
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Catalysts (AREA)
GB4511673A 1972-03-30 1973-09-26 Preparation of alumina Expired GB1419439A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19722215594 DE2215594C3 (de) 1972-03-30 Verfahren zur Herstellung von Aluminiumoxid
GB4511673A GB1419439A (en) 1972-03-30 1973-09-26 Preparation of alumina
FR7334709A FR2245575B1 (https=) 1972-03-30 1973-09-27

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19722215594 DE2215594C3 (de) 1972-03-30 Verfahren zur Herstellung von Aluminiumoxid
GB4511673A GB1419439A (en) 1972-03-30 1973-09-26 Preparation of alumina
FR7334709A FR2245575B1 (https=) 1972-03-30 1973-09-27

Publications (1)

Publication Number Publication Date
GB1419439A true GB1419439A (en) 1975-12-31

Family

ID=27184270

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4511673A Expired GB1419439A (en) 1972-03-30 1973-09-26 Preparation of alumina

Country Status (2)

Country Link
FR (1) FR2245575B1 (https=)
GB (1) GB1419439A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112299460A (zh) * 2020-10-27 2021-02-02 中国铝业股份有限公司 一种协同高效氧化铝土矿溶出浆液中硫和有机物的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112299460A (zh) * 2020-10-27 2021-02-02 中国铝业股份有限公司 一种协同高效氧化铝土矿溶出浆液中硫和有机物的方法

Also Published As

Publication number Publication date
DE2215594A1 (de) 1973-10-11
FR2245575B1 (https=) 1976-10-01
FR2245575A1 (https=) 1975-04-25
DE2215594B2 (de) 1977-01-27

Similar Documents

Publication Publication Date Title
MX9300682A (es) Procedimiento para la produccion de particulas de alfa-alumina nanodimensionadas.
GB1205804A (en) A method of and apparatus for calcining ore
RU94012560A (ru) ПОРОШОК α - ГЛИНОЗЕМА И СПОСОБ ЕГО ПОЛУЧЕНИЯ
GR871389B (en) Process for the manufacture of special aluminas from the powder, produced in the calcination of alumina hydrate
ES454327A1 (es) Procedimiento para el tratamiento de material pulverulento, en especial para calcinar cemento en varias etapas.
EP0196372A3 (en) Process and apparatus for calcining gypsum
GB1086309A (en) Process for producing hydrogen
GB1345038A (en) Catalysts for use in the steam reformation of hydrocarbons
US3227521A (en) Process for producing substantially kappa-phase alumina
GB1419439A (en) Preparation of alumina
KR830010002A (ko) 균등적크기의 기공구조로 되는 순수한 알루미나 또는 알루미나-마그네시아스피넬류의 미세분말 제조방법
ES8502066A1 (es) Un aparato para calcinar material en bruto pulverulento
ATE139514T1 (de) Verfahren zur herstellung von submikronischen aluminateilchen
GB1291946A (en) Treatment of cement raw materials and plants for use therein
GB1375566A (https=)
FR2131634A5 (en) Formed alumina bodies as catalyst carrier - contg calcined particles and smaller uncalcined particles
ZA75704B (en) Process and apparatus for calcining pellet-shaped calcium hydroxide
GB1160662A (en) Process for the Removal of Sulphur Dioxide from an Oxygen-Containing Gas Mixture and Acceptors for use in this process
JPS52123999A (en) Production of synthetic zeolite
GB1346446A (en) Process for the production of silica suitable for use as a flatting agent in coating compositions
GB1309611A (en) Method of removing hydrogen fluoride gas from gases containing the same
JP2005263529A (ja) 低アルカリ活性アルミナの製造方法
Pchelov et al. Calcination of Aluminum Hydroxide in Cyclone- Type Units
Petina et al. Aluminate and Nitrate Methods for the Production of Aluminum Oxide
Somiya et al. Handbook of Advanced Ceramics: Chapter 11.1. 1. Ceramic Powders for Advanced Ceramics: What are Ideal Ceramic Powders for Advanced Ceramics?

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee